<template>
    <div class="xtx-cart-page">
      <div class="container">
        <XtxBread>
          <XtxBreadItem to="/">首页</XtxBreadItem>
          <XtxBreadItem>购物车</XtxBreadItem>
        </XtxBread>
        <div class="cart">
          <table>
            <thead>
              <tr>
                <th width="120"><XtxCheckbox @change="checkAllFn" :modelValue="$store.getters['cart/isCheckAll']">全选</XtxCheckbox></th>
                <th width="400">商品信息</th>
                <th width="220">单价</th>
                <th width="180">数量</th>
                <th width="180">小计</th>
                <th width="140">操作</th>
              </tr>
            </thead>
            <!-- 有效商品 -->
            <tbody>
              <tr v-for="item in $store.getters['cart/validList']" :key="item.skuId">
                <td><XtxCheckbox v-model="item.selected" @change="(cVal) => changeSelFn(item,cVal)"/></td>
                <td>
                  <div class="goods">
                    <RouterLink :to="`/goods?id=${item.id}`"><img :src="item.mainPictures ? item.mainPictures[0] : item.picture" alt=""></RouterLink>
                    <div>
                      <p class="name ellipsis">{{ item.name }}</p>
                      <p class="attr">{{ item.specsText }}</p>
                    </div>
                  </div>
                </td>
                <td class="tc">
                  <p>¥{{ item.price }}</p>
                  <p>比加入时降价 <span class="red">¥{{ item.nowPrice ? item.nowPrice - item.price : item.oldPrice - item.price}}</span></p>
                </td>
                <td class="tc">
                  <XtxNumbox v-model="item.count"/>
                </td>
                <td class="tc"><p class="f16 red">¥{{ (item.price * item.count ).toFixed(2)}}</p></td>
                <td class="tc">
                  <p><a href="javascript:;">移入收藏夹</a></p>
                  <p><a class="green" href="javascript:;" @click="delFn(item)">删除</a></p>
                  <p><a href="javascript:;">找相似</a></p>
                </td>
              </tr>
            </tbody>
          </table>
        </div>
        <!-- 操作栏 -->
        <div class="action">
          <div class="batch">
            <XtxCheckbox  @change="checkAllFn" :modelValue="$store.getters['cart/isCheckAll']">全选</XtxCheckbox>
            <a href="javascript:;" >删除商品</a>
          </div>
          <div class="total">
            共 {{ $store.getters['cart/validTotal'] }} 件商品，已选择 {{ $store.getters['cart/isSeleMount'] }} 件，商品合计：
            <span class="red">¥{{  $store.getters['cart/isSelePrice'] }}</span>
            <XtxButton type="primary" @click="goCheckOutFn ">下单结算</XtxButton>
          </div>
        </div>
      </div>
    </div>
  </template>
<script>
import { useStore } from 'vuex'
import Message from 'erabbit-ui/packages/components/Message'
import Confirm from 'erabbit-ui/packages/components/Confirm'
import { useRouter } from 'vue-router'
export default {
  name: 'XtxCartPage',
  setup () {
    const store = useStore()
    const router = useRouter()
    // 每行商品左边的复选框选中改变事件
    const changeSelFn = (obj, bool) => {
      store.dispatch('cart/updateCartActions', {
        skuId: obj.skuId,
        selected: bool
      })
    }
    // 全选
    const checkAllFn = (selected) => {
      store.dispatch('cart/checkAllCartActions', selected)
    }
    // 删除某行商品
    const delFn = (item) => {
      store.dispatch('cart/deleteCartActions', item)
    }
    // 下单结算
    const goCheckOutFn = () => {
      if (store.getters['cart/isSeleMount'] === 0) {
        Message({
          type: 'warn',
          text: '请选择商品'
        })
      } else if (!store.state.user.profile.token) {
        Confirm({
          title: '提示',
          text: '购买前需要先登录'
        }).then(() => {
          router.push('/login')
        })
      } else {
        router.push('/user/order')
      }
    }
    return {
      delFn,
      changeSelFn,
      checkAllFn,
      goCheckOutFn
    }
  }
}
</script>
  <style scoped lang="less">
  .tc {
    text-align: center;
    .xtx-numbox {
      margin: 0 auto;
      width: 120px;
    }
  }
  .red {
    color: var(--price-color);
  }
  .green {
    color: var(--xtx-color);
  }
  .f16 {
    font-size: 16px;
  }
  .goods {
    display: flex;
    align-items: center;
    img {
      width: 100px;
      height: 100px;
    }
    > div {
      width: 280px;
      font-size: 16px;
      padding-left: 10px;
      .attr {
        font-size: 14px;
        color: #999;
      }
    }
  }
  .action {
    display: flex;
    background: #fff;
    margin-top: 20px;
    height: 80px;
    align-items: center;
    font-size: 16px;
    justify-content: space-between;
    padding: 0 30px;
    .xtx-checkbox {
      color: #999;
    }
    .batch {
      a {
        margin-left: 20px;
      }
    }
    .red {
      font-size: 18px;
      margin-right: 20px;
      font-weight: bold;
    }
  }
  .tit {
    color: #666;
    font-size: 16px;
    font-weight: normal;
    line-height: 50px;
  }
  .xtx-cart-page {
    .cart {
      background: #fff;
      color: #666;
      table {
        border-spacing: 0;
        border-collapse: collapse;
        line-height: 24px;
        th,td{
          padding: 10px;
          border-bottom: 1px solid #f5f5f5;
          &:first-child {
            text-align: left;
            padding-left: 30px;
            color: #999;
          }
        }
        th {
          font-size: 16px;
          font-weight: normal;
          line-height: 50px;
        }
      }
    }
  }
  </style>
